CBSE Class 12 Informatics Practices Sample Paper 2015. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.
1 (a) Draw a network layout of bus topology to connect 5 client computers and 1 server computer.
(b) Mr. John wants to prevent unauthorized access to/from his company's local area
network. Write the name of a system (software/ hardware), which he should install to do the same.
(c) Which of the following are open source softwares :
GNU, MS-Office, BOSS, Windows OS
(d) Name the government organization that contributes to the growth of FOSS in India.
(e) Read the given activities carefully and mention whether the activity is snooping or eavesdropping:
i. Getting someone’s login information by casually watching what he/she is typing.
ii. Setting up unauthorized parallel telephone lines
iii. Installing some software/hardware which captures the data while on its way.
iv. Reading the files on someone’s computer in an unauthorized manner.
(d) Kristen has typed the following text in the address bar:
Identify and differentiate the URL and Domain name with reference to the example given above.
(e) Chanakya has to write a paragraph in English on nobel laureates as a part of his holiday homework. He is using a software in which he types the text in Hindi and the software automatically converts the text into English. For example, if he types the software converts it into “Nobel Prize is given in six categories”.
What kind of text entry is it – phonetic text entry OR keymap based text entry? How is it different from the other kind of text entry?
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